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how to adjust kancil 850M (caburator type) idle rpm?

Discussion in 'Do-It-Yourself Garage' started by lysiong, Nov 21, 2007.

  1. lysiong

    lysiong Senior Member
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    how to adjust kancil 850M (carburator type) idle rpm?

    Hi,
    I'm a kancil owner(850 manual carburator type). Recently I have my timing tune by mechanic, I can see that he tune the timing by changing the angle of the distributor. After he tune for the timing, I just found out that idle speed is become high around 1400rpm. & he said it is not possible to adjust the idle rpm since kancil don't have idle rpm adjustment screw :mad: .....1400rpm seem to be high for me cause manual stated that idle rpm should be around 1000rpm.

    Anyone here know how to adjust the idle rpm for the kancil? where is the idle rpm adjustment screw located? really thanks in advance
     
    #1 lysiong, Nov 21, 2007
    Last edited: Nov 21, 2007
  2. lysiong

    lysiong Senior Member
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    & I do need to know the A/F mixture screw also......I just check the carburator, I can see that it got big & small screw at the back. hope someone will help me to identify it......thanks in advance
     
  3. SkYwAlKeR

    SkYwAlKeR Senior Member
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    got lah... all carburetor must got idle speed screw....
    if not mistaken kancil carburetor got 1 air screw and 1 fuel screw separately.... means u need to tune both to get optimum AFR...

    not too sure... last time my friend explain to me... i didnt bother listen coz not my car... lolz... besides, kancil engine bay so small, cannot peek behind to see where is the screw also...
     
  4. lysiong

    lysiong Senior Member
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    skywalker, thanks for reply.

    anyone else know where the idle screw adjustment located?
     
  5. lysiong

    lysiong Senior Member
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    hello, anybody there?
     
  6. lysiong

    lysiong Senior Member
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    knock, knock, hello, anybody there can answer my question??
     
  7. THOMASLEE

    THOMASLEE 15 Year | Platinum

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    1.200 rpm with o2 tunnig machine 2.0%
     
  8. burnner

    burnner Senior Member
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    ok...don't worry about both the air and fuel mixture screw.

    what you may need to do now is, look for a screw which when you press your pedal a plate will move, this plate is seated on a screw. when you adjust this screw, it will slowly increase or decrease your rpm. if you are still blur2, please do give me a call. Susah abit wanna explain by words...
     
  9. lkk

    lkk Senior Member
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    errr... if not mistaken the idle screw is locate at the back part of the carb( the firewall side) n seat under the carb. try see at the back n the middle of the carb. there is the only screw can pusing.

    dun shot me if i am wrong r.... hehe

    just my 2 cents.
     
  10. lysiong

    lysiong Senior Member
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    ThomasLee, Burnner & Ikk , thanks for reply. will try to locate the idle screw. But what I found on the forum, normally the idle screw got a spring on it. will let you guy know once I found it :)
     
  11. burnner

    burnner Senior Member
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    yes..the idle screw have spring on them. So you may need to check properly before you adjust anything ok..

    best of luck on this.
     
  12. lysiong

    lysiong Senior Member
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    look like I already found the idle screw, it is located at near to the firewall. It has a big screw with a spring on it. :biggrin:
    thanks anyone who reply to this thread.
     
  13. chilskater

    chilskater Guest

    then wat happen?idle screw is at the side front..
     
  14. lysiong

    lysiong Senior Member
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    is at the back of the carburator, is quite inside. my hand need to go deep inside around 20cm to reach it. is a very big screw with a "flat philips head" on it. The size of the screw head look like similar to 5cents.
     

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